Trek Checkpoint AL 3 Bike

Checkpoint AL 3 may be the introductory gravel bike in the lineup, but it's packed with features that make it a worthy choice for new and experienced gravel grinders alike, like a lightweight aluminum frame, Shimano drivetrain, thru axles, Tubeless Ready wheels, and disc brakes for better braking power in all weather conditions.

Frameset

• Frame: Alpha 200 series aluminum, tapered head-tube, BB86.5, flat-mount disc brakes, 12mm thru-axle, internal cable routing, w/rack mounts and hidden fender mounts
• Fork: Checkpoint carbon disc,tapered steerer, flat mount disc brakes, rack mounts, hidden fender mounts, 12mm thru axle

Wheels

• Front hub: Formula alloy disc, 12mm thru-axle, 24hRear hubFormula alloy disc, 12mm thru-axle, 24h
• Rims: Bontrager Affinity, Tubeless Ready, 24h
• Tires: Bontrager R1 Hard-Case Lite, 700x32cMax tire size38c Bontrager tires (with at least 4mm of clearance to frame)

Drivetrain

• Shifters: Shimano Sora, 9 speed
• Front derailleur: Shimano Sora
• Rear derailleur: Shimano Sora
• Crank: Shimano Sora, 50/34 (compact)Bottom bracketSealed cartridge
• Cassette: Shimano Sora, 11-32, 9 speed
• Chain: Shimano Sora
• Pedals: Not included

Components

• Saddle: Bontrager Arvada Comp, steel rails
• Seatpost: Bontrager Approved, alloy, 27.2mm
• Handlebar: Bontrager Comp VR-C, 31.8mm
• Grips: Bontrager tape
• Stem: Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts
• Headset: Integrated, cartridge bearing, sealed, 1-1/8˝ top, 1.5˝ bottom
• Brakeset: Tektro C550 Spyre, dual-piston mechanical disc brake, 160mm rotor

Weight

• Weight: 56cm - 10.44 kg / 23.01 lbs
• Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).